From e40616a0db75bf213016bdb2807f19b71487bfb3 Mon Sep 17 00:00:00 2001
From: Luflosi <luflosi@luflosi.de>
Date: Wed, 18 Dec 2019 18:40:51 +0100
Subject: [PATCH] X11: Fix missing checks for EWMH attention atoms

From upstream: https://github.com/glfw/glfw/commit/9b6d68ec70da775c4e2bf6481f86117cf9d9f551.
---
 glfw/x11_window.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/glfw/x11_window.c b/glfw/x11_window.c
index 8a9d3c33e..05bff82fa 100644
--- a/glfw/x11_window.c
+++ b/glfw/x11_window.c
@@ -2226,6 +2226,9 @@ void _glfwPlatformHideWindow(_GLFWwindow* window)
 
 void _glfwPlatformRequestWindowAttention(_GLFWwindow* window)
 {
+    if (!_glfw.x11.NET_WM_STATE || !_glfw.x11.NET_WM_STATE_DEMANDS_ATTENTION)
+        return;
+
     sendEventToWM(window,
                   _glfw.x11.NET_WM_STATE,
                   _NET_WM_STATE_ADD,